Latch device



Feb. 10, 1931. K. D. LANGLEY ,173 7 L H DEVICE Filed Dec. 21, 1928 VE R grgfh D. Langley ,z y i ATTR [ a e t d F i, .*io,1931 j l j ileron This invention relates to latch devices and particularly to devices of thisclass adapted forruse in'connection with'the sashes of wing ,dowsto lock 'a-nd'ret'ain said sashes in a partially open position; and the object of the 1;; v .invention is to provide 'aidevi'cefof the class:

7 e i' specified which isfsupported in connectlon with one ofthe s'ide-rails of; the upper' sash at apredetermine'd point above the lower rail.

n of 'saidsash and in such position'that the latch elementwill' cooperate withthe upper surface "of the lower'sash to limit the upwardmovement of thelower sash or thedownward movement of the' upper sash; a further f movingthe latch element of the device into op ative and inoperative]positions, means Y beingjprovided for retaining the latch 16:

ment'in its respective positions;v and with "90: these and other objects in view, the invention;

rateparts of my improvement are designated by suitable refe'rencecharacters in each of the views, and in whichf 7 ;Fig.1 is an inside view ofa window frame showing one of my devices mounted in con'- 1 nection with the upper sash.

,Fig. 2 is a section onthe line of'Figl ilfonan enlarged scale-showing the device'deai tached. i '1 I Fig. 3 isa" section; on theJline 3-13 ofFig.

' 2 and indicating part oi the upper sash. V

Fig. i'is'a sectional view sim'ilar'to Fig. 40 2'showing the parts ina different position, the

-. section being on the line 44 of Fig. 3.

J Fig. 5' is a perspective view olf a modified "form of constructionwhich I employ ;-and,-

J Fig. 6 is a sectional view'similarto Fig. 2

showing only a part i the construction and showing'another modification. I

' 1 In Figs. 1 to 4.inclusive,;I have shown one iorni'of my latch device, and in Fig.1, I have 7 indicated an inside view of a window frame to illustrate one use of'm'yinvention. Insaid ranged inf 'ali'nement i with the 'inn'er face Qof thejrail 13; f '1 1 'Thevfiange ,18has approximatelycentnal ly thereof'an angularlyextending-bearing; 6 1f J p'latell9iwhich is arrangedin alinement with; the adjacent sideface :of'the-rail18inWardlyQ .f oftheglas's panel l2aiofthesash 12. {Pivotal- 1y supported on a .pin, screw .or rod 20 'is a latch bario'r element 21, the pivot being ar-l ranged adjacentthe upper end'thereofvand f .being supported in-the channel portion 16 of I .f

the V casing, the element 21 :heing adapted to normally rest within. the chamber 1 6a of the ehannel "as seen-in: Fig. *4 of the drawing, .and "is provided at its lower end with'apro-r 1 object being to provide manual means for of the latchfigure, the propefli 11 the lower sash; and 12the upper sashf-Iri practice, [one side rail 13roithe] upper sashis.

mortised out as seen atl l, note. Fig. 3 or the draw ng,to receiveoneofmyimprovedlatch f devices I5, the' casing ofwhichma-y be ofany';

desired constructioiiandwhich consists-of a; Y vU-shaped or channel shapedbody 16 having;

laterally 'extendingiflang'e portions 17fand*18' 1 1 at the ope'n endof rhe hannei which' co stitutes -:Eront' face plates :of the-casing; .ar i;

jecting lug 22' adapted'to operate :in connece j chamber 16a to limit the outward movement 7 The flower wall 240i latch proper is beveledr-slightly' to assume, when, in its ex-,

tended position, a horizontal plane, noteFig.

2, so as to .engagethe upper surface or rail of the lower sashflll which is indicatedin-dot 3 and'dash-lines in Fig. 2.; The'abov edescribed I structure is common in the-severalforms-of constructionshown, and like references-will v; f

indicate like parts inallofthe fingers. Fi

5 and 6 diiier from the structure shown in 9 Figs; 1 to 4'inc1usive in the means or method ofoperating the latch element 21.

LInFigs l to 4 inclusive, the latch eiemene": Y

21 is provided :with' an. angularlydisposed 1":-

and vertically inclined aper ureee, the ends 9 of which terminate in angular portions 27 and 28. Mou'nted upon a rod or pivot pin 7 29 supportedin the channel-portion l6 ofthe ating'jarm 3O'arranged within the chamber casing, andthe bearing plate'19 is an operr d between the plate 19 and the channel'FiGQthe w free end of the rod'being exposed through a recessed andapertured portion 18d inthe flange 18 but not projecting beyondfthe in:

i 5f ner end of the flange 18 nut "sufficiently acces- 5 sible to permit'itsupward and downward 1nent21f. t V The arm carries adjacent its outer end movement i h re e e the'le eh l and at one .side thereof, an angular pin 31 I which passes throughya l'f shaped aperture' 32 in one side wall of the channel 16 andp per ates inthe aperture 26 and the angular extensions 27 and 28 of the;element.21. It will thus he seen that whenthe element 211s in ts no mal .o closed P t on-es se K 1- the'pin 31'is within the extension 27, the

rm 3.0 beingriri ra s d-p s ti n =Wh n in h s position; th el men 21 eaked gain 20,

movement and; especially against, Outward movement which would; interfere "with the operation 9f he-wind w sashee n lo rt ujre 32-and isadapted' to enterthe angular extension-28t i mg-the M11130 by hand, the pin 31 moves through the ,aperture 26, {wellas the aper;

Int-his operation inclined walls of the.

aperture 26 operate to-move thelowerend element-becomes locked againstinwar'd move of the element; 21 "outwardly into thekp'osi ti on' shown in Fig. 2 in; Which-position the and cannot be neleased without raising t -In ;theconstrnction shown in =15 ofthe dra'tvingQI have substituted-forthe arm 30,

aperture 26 and the anther elements I of the operating ineehanisinfan operating mechanism involving a slidable pin or rod 33 sup ported to moveyertical-ly and angularlylin vertically inclined apertures -341-,'both in the plate-1.9 and one side'of the. ehanne'l" 16 'The apertures 3 1 have angular offset portions 35 at their Iupper'and lower ends which serve tov lock the pin 33 against lateral movement; and

thu'slo'ck the element '21 in itsoperative and inoperative positions.- I I P i f I -this -constructi n, I have substituted for the aperture 26' an elongated and: slightly injclinede-aperture through whiehfth'e pin Inentof-the pin 33, the? lower endof the ele} ,ni'ent 21 is moved outwardly "and inward-1y 'wi hre et t the ees rie h i 332%? V operated'bya button head 37-arrangedonthe outer fiice the plate-319; p e e In F -1 1 f th r wiee hwe howeported on a or'shaft te' mngea infthe useug ute opening; .I

p min also heunde'rstood.thatwhilel he;

vi'ded with an aperturelO having offset end portions 41 and- 42. in which a pin 43 carried: 7 by the element 21- operates WVith this/corstruction; the faceof the cam is roundedand preferably roughened as seen at 44 and is exposed through an aperture 45 in the flange plate operated, in the manner of a 13. 5 t d we er e eme i th a n 5 serving to advance or project the element 21,

and the upward movement thereof serving to withdraw said elementior move the same into inoperative position, the ofiset portions 41 and 42 serving to lock. the element 21in its two extreme positions. 1

Itwill he'iin dersto od that the positioning of myri nproved la t ch device upon the upper sash ofthe window *w'illidet'er nine' the extent; of opening requiredfof either.the upper; lower or hotheof saidl'sashes, itbi g understood .that' 'the .iipper sash may. vhe ered t andthe lower opened, both to a slightdegree, or either sash openedto the desired.de 'ijee. Iii all instances, thisop 'en-j, nsill b 'se i T i' efile i ei irp see but not sufiieient to permit a person 'to gp ass" haw triads strategy improved g 1 19 vice as mounted in connection with a 'w'mdew t edwhet rievefifi enl is n n e rily i ed t 'th s a the et l d r e' may Y be embe in e eeti i v fih ces e p ret s Q a kuid 01 13. Whe m man ally Loperated latches ape required. It? also he. understood that 11am: not necessarily mi e tot i p ific remand eon's ruCfi Q i eith llet h lemen themehiierdfi ts s te I cry... 1 F je hereln di c s dte iv r ousro her ehanges in and of the construct n h re? e set out may belm ade within the scope of t appended claims without departn i bm h Sp r t 1 myi ve iol Q 3 sent i i vt ege- 'Having fullydespribedniyinvent-ion;what

I claiin a's new and desire to 'secure by Letters e ep is f Y r V p "1, A latch device comprising a' substan tially' U-shaped casing, the side walls of which terminate in laterally extending flanges; an

el n a h lement th end 92 i h pivotallysupported'within'said U'-s'haped s-.

inga-nd a ia ent e ndjch re fi herebv the p i pp w n w i g pp t '1 other ,end of sald element may he pro eeted whereby in the upward and downwarfd'i nove outwardly' with respect thereto, said llelnher said f a ge 9 .im e i s t ir i i ei w-e larly' disposed aperture hav ng relatively straight end portions elenent in its Open and closed positions. Q 2. A latch devi c'evof the cl ent ngle, elenee ee. tee

e ee i rib d 7 ly long latch element mounted within said easing, the'u'pper' end-of said element being r pivoted to the-casing and-the lower rendi thereof being adapted toproject "outwardly throughthe lowerend of the casing, saidelement having an aperture adjacent the upper portions thereof to support and retain; said element in open and-closed positions. 7 1

' 3. A latch device of the classidescribed comprising .an elongated casing, a relatively long latch element mounted within said casing', the upper end of said'elementbeing pivoted to the casing and the lower end thereof I being adapted to project outwardlythrough the lower end of the casing, said element having an aperture adjacent the upper end thereof and disposed angularly with respect to the longitudinal planeof the element, the end portions of said aperture being offset to arrange said ends parallel to the longitudinalplane of the casing whensaid element is in i open and closed positions, a manually op-.

5. A-latchxdevice' comprising an elongated jasingii'havingi front? Plate; an elongated latch element, one end of which ispivotally supported in one end ofjisa-id casing and the other end of said element normally lying withinthe front plate or the casing and being 'adapted to projectbeyond said front plate when" said element is in 'operative'position,

an operating member movably supported in connection with the casing and "cooperating with said element/to move the same inwardmeans involvingjan angularly-disposedaperture having relatively straight end portionslyand 'outwardly'with respiect'thereto, saidff member being "exposed and;-. o'peratablethrough the front plate of the casing, and r for retaining said element in its open and closed positions.

Intestimonythat I claim the:foregoingv as my invention I have signed my namei this 19th I day of December, 1928. i K V KENNETH D. LANGLEY; j

- eratedmember mounted in said casing and .having a part extending into and operating in the aperture of 'saidelement and adapted when arranged in the opposite end portions thereof to support and retain said element in 7 open and closed positions, and means on said element and cooperating with the casing to limit the outward movement of said element with respect to the casing.

4;. A latch device of the described comprising an elongated casing, a relatively; long-latch element mounted within said cas-I ing, the upper end of said element being piv' oted to the casing and the lower end thereof 7 being adapted to project outwardly through thelower end of the'casing, said element having an aperture adjacent the upper end thereof and disposed angularly with respect to thelongitudinal plane of the element, the

end portions of said aperture being offset to arrange said ends parallel to the longitudinal"; 1 plane ofthe casing when said element is in open and closed positions, a manually operated member mounted in said casing and having a part extending into and operating in the aperture of said element and adapted when arranged-in the opposite end portions thereof. to support and retain said element in" open and closed positions, and said-manuaL lyroperated member comprising a lever ex posed through the front wall of the casing and normally lying within the boundaries thereof. 

